| Napa to Candler-McAfee (Georgia) | 2,133.56 mi (3,433.64 km) |
| Napa to Caño Martin Peña (Puerto Rico) | 3,623.29 mi (5,831.12 km) |
| Napa to Cañon City (Colorado) | 923.99 mi (1,487.02 km) |
| Napa to Canóvanas (Puerto Rico) | 3,633.79 mi (5,848.02 km) |
| Napa to Canton (Georgia) | 2,109.99 mi (3,395.71 km) |
| Napa to Canton (Illinois) | 1,719.11 mi (2,766.63 km) |
| Napa to Canton (Mississippi) | 1,848.63 mi (2,975.08 km) |
| Napa to Canton (Ohio) | 2,167.75 mi (3,488.66 km) |
| Napa to Canyon (Texas) | 1,150.28 mi (1,851.20 km) |
| Napa to Canyon Lake (California) | 425.01 mi (683.98 km) |
| Napa to Canyon Lake (Texas) | 1,487.94 mi (2,394.61 km) |
| Napa to Cape Coral (Florida) | 2,461.31 mi (3,961.10 km) |
| Napa to Cape Girardeau (Missouri) | 1,779.32 mi (2,863.54 km) |
| Napa to Carbondale (Illinois) | 1,791.45 mi (2,883.06 km) |
| Napa to Carlisle (Pennsylvania) | 2,390.48 mi (3,847.11 km) |
